.msgBox {
    width: 100%;
    height: 100%;
    flex-direction: column;
    flex-wrap: wrap-reverse;
}

.right {
    width: 100%;
    float: right;
    overflow-y: scroll;
}
.img {
    margin-top: 5px;
}

.tit {
    font-size: 16px;
    height: 40px;
    line-height: 40px;

}

.sendBox {
    position: fixed;
    bottom: 0;
    display: flex;
    width: 100%;
}

.inp {
    width: 300px;
    background-color: antiquewhite;
}

.btn {
    width: 100px;
}